Clarify instructions for authentication app usage and link to README

languages/English/English_front.php

@@ -22,7 +22,7 @@
 
 
 // Setup
-define("LAN_2FA_ENABLE_INSTRUCTIONS1", "To set up Two Factor Authenthication for your account, please scan the below QR code or enter the secret key manually in your authenticator app on your device.");
+define("LAN_2FA_ENABLE_INSTRUCTIONS1", "To set up Two Factor Authenthication for your account, please use the [authenticator app] on your device to scan the QR code below or to enter the secret key manually."); // Do not remove the brackets [...] - they are used for links
 define("LAN_2FA_ENABLE_INSTRUCTIONS2", "To confirm your authenticator app is returning the correct 6-digit code, please verify the code by entering it below. After verification, Two Factor Authentication is setup for your account.");
 
 define("LAN_2FA_DISABLE_INSTRUCTIONS", "To [b]disable[/b] Two Factor Authenthication for your account, please enter your 6-digit code to verify.");

setup.php

@@ -97,7 +97,13 @@
  $label = SITENAME;
  }
 
- e107::getMessage()->addInfo(e107::getParser()->toHTML(LAN_2FA_ENABLE_INSTRUCTIONS1, true));
+ $instructions1 = str_replace(
+ array("[", "]"), 
+ array("<strong><a href='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/e107inc/twofactorauth#recommended-authenticator-applications' target='_blank'>", "</a></strong>"), 
+ LAN_2FA_ENABLE_INSTRUCTIONS1
+ );
+
+ e107::getMessage()->addInfo($instructions1);
 
  $text .= '<img class="center-block" src="' . $tfa_library->getQRCodeImageAsDataUri($label, $secret) . '"><br>';
  $text .= '<p class="text-center font-italic">'.chunk_split($secret, 4, ' ').'</p>';